Prawn and chicken laksa

Name: Prawn and chicken laksa
Prep time: 30 min
Cook time: 40 min
Total time: 1 h 10 min
Cuisine: Asian, Indian
Ingredients: 1 stalk fresh lemongrass; 1 brown onion; 4 garlic cloves; 8 macadamia nuts; 1 - 2 fresh bird's eye chillies; 1 tsp curry powder; 5 cm piece fresh ginger; 1 tsp ground turmeric; 1 tsp ground cumin; 2 sprigs fresh coriander; 1 tsp shrimp paste; 450 g coconut milk; 20 g butter; 150 g water; 2 tsp Chicken stock paste; 8 fresh kaffir lime leaves; 1 tsp fish sauce; 2 tsp lime juice; ¼ tsp sea salt; 200 g dried rice noodles; 200 g skinless chicken thigh fillet; 300 g peeled raw prawns; 180 g bok choy; 100 g bean sprouts